using Count;
using Google.Protobuf.WellKnownTypes;
using Grpc.Core;
using Grpc.Net.Client;
using System;
using System.Threading.Tasks;

using var channel = GrpcChannel.ForAddress("https://localhost:5001");
var client = new Counter.CounterClient(channel);

await UnaryCallExample(client);

await ClientStreamingCallExample(client);

await ServerStreamingCallExample(client);

Console.WriteLine("Shutting down");
Console.WriteLine("Press any key to exit...");
Console.ReadKey();

static async Task UnaryCallExample(Counter.CounterClient client)
{
    var reply = await client.IncrementCountAsync(new Empty());
    Console.WriteLine("Count: " + reply.Count);
}

static async Task ClientStreamingCallExample(Counter.CounterClient client)
{
    using var call = client.AccumulateCount();
    for (var i = 0; i < 3; i++)
    {
        var count = Random.Shared.Next(5);
        Console.WriteLine($"Accumulating with {count}");
        await call.RequestStream.WriteAsync(new CounterRequest { Count = count });
        await Task.Delay(TimeSpan.FromSeconds(2));
    }

    await call.RequestStream.CompleteAsync();

    var response = await call;
    Console.WriteLine($"Count: {response.Count}");
}

static async Task ServerStreamingCallExample(Counter.CounterClient client)
{
    using var call = client.Countdown(new Empty());

    await foreach (var message in call.ResponseStream.ReadAllAsync())
    {
        Console.WriteLine($"Countdown: {message.Count}");
    }
}
